Chair for rail joints



R. FREEMAN.

I CHAIR FOR RAIL JOINTS. APPLICATION mm ctr. 26. 920.

1,427,948. PatentedSept. '5, 1922.

I INVENTUR v Ray Freeway/ 3r Arm/Mrs 1 Patented Sept. 5, 1922. s

, AUNIPTE stares r n rorr cs.

. BAY FREEMAN, or rnnnmn, rLonriiA.

p CHAIR non sin mime.

Application filed October 26', 1920i Serial No. 419,691.

zen of the United States, and ares'ident of.

Perrine, in the county ofDade and State of-Florida, have inventedcertain new and useful Improvements in Chairs for Rail Joints, of whichthe following is a specificationq g My inventionrelates chairs for railjoints, and it consists substantially in the construction and manner useherein described and claimed. i I One ofthe foremost objects of theinvention is to provide a chair designed to ab solute'ly prevent saggingand side play.

Other objects and advantages will appear in the following specification,ing had to the accompanying I 'whichfzj Figure 1 is a plan view of theimproved chair, only so much of a rail being shown as is necessarytoillustrate the application, and

Figure 2 is a cross section onthe line 2-2 of Figure 1. I

Attention is first directed to Figure 2. The chair which constitutes theinvention, comprises the sole plate 1, which is formed at 2 to embracethe outer flange 3 of the rail base, thereafter extending verticallyinto a a part hereinafter properly termed the fish plate 4. The fishplate includes an upward extension 5, which preferably rises slightlyabove the head of the rail so that it may be engaged by the sloping faceof the wheel. The ends of the extension 5 are inclined at 5 so. thatthere will be no ar when the wheels strike the extension in going overthe 'oint. J This extension 5 is of no little importance because itserves to support the weight of the wheels and the train above inpassing the joint. The usual pounding, jarring and vi bration occasionedby the wheels 7 moving over the space between two abutting rails 6, isthus entirely eliminated by theprovision of the extension 5. A shoulder8 flts snugly against the rail head on the outside, as is somewhatcommon in practice.

There is a recess 9 in the bend 2 in which the outer flange of the railbase fits in a rather peculiar manner. Instead of the walls of therecess contacting similar parts of the flanges 3 throughout, only theinnermost part of the top of the recess is intended to engage theflange. The recess then bedrawing, in

to improvements in reference be- "tighten them at comes.slightly'larger, so as to leave the tapering space illustrated.

" Observa'tionhas shown, that ajar can occur even when the rail ends '6are'tight together, thus indicating that the jar is not produced by thewheels passing over an open space between adjacent rails. The jar isreally caused by the sagging of the rails at the ,joint, thus forming avalley into which the wheels ride, striking the rail at the oppositeside from thejpoint of entrance and thus causing what is commonly knownIt isthefpurpose of this invention to prevent sag ing, thus eliminatingthe jar,"and also sidewise play of the rails. When the lateral thrust ofthe car wheels 7 is exerted againstthe, railsat the joint,a tendency tothe bottom, and the chair therefore becomes self-adjusting by virtue ofthe slight flexibility afforded as just described.

In making these plates, they will be rolled Y a trifle close in thespace'between the point 10 and the bottom of the sole plate 1, withsuflicient space at 9 so that there'will be no interference, alwayspermitting a perfect fit at 10. By a tool, designed especially for thepurpose of fitting these plates, the sole plate will be supported alongthe inner edge and pressure applied to the fish plate and chair betweenand on either sideof the rail securing bolts. This will insure a closefitat the points 10, and across the top of the sole plate 1. I By"having a proper thickness of plate over the space 9, the strain will betransmitted through the bend 2 to the plate 1,

which will'then be in tension and offer a sufficiently strong mass fromthe top of the extension 5to the bottom of the plate 1, to resistsagging.

Spikes p the points indicated 10, be "comesevid'e'nt. The space affordedby the peculiarshape of the recess 9 provides am I ple room for thetightening ofthe flange at llsecure the chair in place. The r bend 21svertically recessed at 12 to provide There is another feature of nolittle importance. many rail joint-making consti gctions, a'f lockwasher 16 is used in connection with the nut 17 of the securing bolt 18.But instead of letting the lock Washer 16 rest on the outer surface ofthe chair 4, a recess 19 is provided for its reception. The now commondanger or the washer jarring out and leaving the bolt loose in case thewasher should break, is entirely obviated by housing the washer in therecess. Even should it break, the bolt cannot come loose because theparts of the washer are prevented from falling away.

i hile the construction and arrangement of the improved chair as hereindescribed and claimed,is that of a generally preferred form, obviouslymodifications and changes may be made without departing from the spiritof the inventionor the scope of the claims.

v lclaimz- I a 1. The combination in a rail joint, of a sole platesu'fficiently wide to extend well beyond the inner flangeot a rail base,perforated to receive spikes; an inner fish plate bearing against a railhead and inner flange, extending from the flange and provided withnotches registering with said spike perfora- U ti-ons; a bent portionextending from the sole plate and embracing the outer flange of a railbase, including a recess contacting said 'aseflflahge at the innermostpoint to provide adjusting space; and a fish plate extending from saidbent portion, includin a shoulder contacting beneath a rail head, withan upward extension coming flush with the to of the rail head for thesupport of car wheels across the rail joint and a recess in the side ofthe fish plate for the housing of a lock washer of a bolt which securesthe parts together. i

2. The combination in a rail joint, of a sole plate sufficiently wide toextend well beyond the inner flange of a rail base, perforated toreceive spikes; an inner fish plate bearingagainst a rail head and innerflange extending from the flange and provided with notches registeringwith said spike perforations; a bent portion extending from the soleplate and embracing the outer flange of a rail base, including a recesssaid bent portion contacting said baseflange at the innermost point onlyto provide adjusting space; and a fish plate extending from said bentportion, including a shoulder contacting beneath a rail head said fishplate havin a recess in one side for housing a lock Wasner of a boltwhich secures the parts together.

' RAY FREEMAN.

